中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Atmospheric deposition and air–soil exchange of polybrominated diphenyl ethers (PBDEs) in a background site in Central China

文献类型:期刊论文

作者Lingxi Zhan;  Tian Lin;  Hairong Cheng;  Zuwu Wang;  Zhineng Cheng;  Deng Zhou;  Zhengxin Qin;  Gan Zhang
刊名Environmental Science and Pollution Research volume , pages
出版日期2019
卷号26页码:31934–31944
关键词Pbdes wet And Dry Deposition seasonal Variation air Soil Gas Exchange background Site
英文摘要

Jinsha (JSH) is one of the regional background sites in Central China. In this study, eight polybrominated diphenyl ethers (PBDEs) were measured in atmospheric deposition samples (dry particle, wet particle, and wet dissolved), air (gaseous and particle) samples, and soil samples that were collected from March 2012 to March 2013. Of all eight PBDEs, BDE-209 was the most abundant congener in both deposition samples and air/soil samples. Average dry particle, wet particle, and wet dissolved deposition fluxes of Σ8PBDEs were 270 ± 310 pg m−2 day−1, 130 ± 210 pg m−2 day−1, and 250 ± 330 pg m−2 day−1, respectively, while those of BDE-209 were 210 ± 290 pg m−2 day−1, 80 ± 120 pg m−2 day−1, and 160 ± 290 pg m−2 day−1, respectively. Dry deposition velocities of individual PBDE ranged from 0.11 ± 0.15 cm s−1 (BDE-183) to 0.24 ± 0.38 cm s−1 (BDE-209), and total washout ratios ranged from 5.0 × 103 (BDE-28) to 4.2 × 104 (BDE-209). The calculated net air–soil gas exchange flux of Σ8PBDEs was − 16 ± 13 pg m−2 day−1, suggesting the deposition status of PBDEs. The gas exchange flux at the air–soil interface was significantly lower than the deposition flux, which only accounted for 2.5% of the total deposition flux, implying that atmospheric deposition was an important input pathway for PBDEs to soils. Overall, the pollution level of the soil was relatively low, and the soil serves as a sink for PBDEs from adjacent regions.

语种英语
源URL[http://ir.gyig.ac.cn/handle/42920512-1/10825]  
专题地球化学研究所_环境地球化学国家重点实验室
作者单位1.Hubei Key Laboratory of Industrial Fume & Dust Pollution Control, Jianghan University, Wuhan 430056, China
2.State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China
3.Meteorological Bureau of Xianning, Xianning 437100, China
4.State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
5.School of Resource and Environmental Sciences, International Cooperation Base for Sustainable Utilization of Resources and Energy in Hubei Province, Wuhan University, Wuhan 430072, China
推荐引用方式
GB/T 7714
Lingxi Zhan;Tian Lin;Hairong Cheng;Zuwu Wang;Zhineng Cheng;Deng Zhou;Zhengxin Qin;Gan Zhang. Atmospheric deposition and air–soil exchange of polybrominated diphenyl ethers (PBDEs) in a background site in Central China[J]. Environmental Science and Pollution Research volume , pages,2019,26:31934–31944.
APA Lingxi Zhan;Tian Lin;Hairong Cheng;Zuwu Wang;Zhineng Cheng;Deng Zhou;Zhengxin Qin;Gan Zhang.(2019).Atmospheric deposition and air–soil exchange of polybrominated diphenyl ethers (PBDEs) in a background site in Central China.Environmental Science and Pollution Research volume , pages,26,31934–31944.
MLA Lingxi Zhan;Tian Lin;Hairong Cheng;Zuwu Wang;Zhineng Cheng;Deng Zhou;Zhengxin Qin;Gan Zhang."Atmospheric deposition and air–soil exchange of polybrominated diphenyl ethers (PBDEs) in a background site in Central China".Environmental Science and Pollution Research volume , pages 26(2019):31934–31944.

入库方式: OAI收割

来源:地球化学研究所

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